Playwright Host Validation Warning - Missing Browser Dependencies on CI

[maehr]

Current Behavior

While running the SvelteKit CI workflow, the Playwright setup step is failing due to missing dependencies required for running browsers on the host system. The CI job successfully downloads Chromium, FFMPEG, Firefox, and WebKit, but the following warning is displayed:

Host system is missing dependencies to run browsers.
Please install them with the following command:

    sudo pnpm exec playwright install-deps

Alternatively, use apt:
    sudo apt-get install libwoff1\
        libvpx9\
        libevent-2.1-7t64\
        libopus0\
        libgstreamer-plugins-base1.0-0\
        libgstreamer-gl1.0-0\
        libgstreamer-plugins-bad1.0-0\
        libharfbuzz-icu0\
        libsecret-1-0\
        libhyphen0\
        libmanette-0.2-0\
        libflite1\
        libgles2\
        gstreamer1.0-libav

The issue arises when running the Playwright installation command during the CI process:

pnpm exec playwright install

This step results in a warning due to the missing system dependencies required for browser execution on Ubuntu.

Expected Behavior:

Playwright should install the necessary dependencies for running browsers during the setup process in the CI workflow.

Actual Behavior:

The CI job fails with a warning regarding missing system libraries that Playwright requires to run the downloaded browsers.

Suggested Fix:

To resolve this issue, we need to add the missing dependencies installation step in the workflow YAML file prior to running the Playwright installation step.

Proposed Workflow YAML Update:

      - name: Install Playwright dependencies
        run: sudo pnpm exec playwright install-deps

      - name: Install playwright
        run: pnpm exec playwright install

This ensures that the required system dependencies are installed before attempting to install and use Playwright browsers.

Environment:

• OS: Ubuntu (GitHub Actions ubuntu-latest)
• Node.js: v22
• Playwright: v1.48.0
• Package Manager: pnpm v9

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Reproduction / Steps To Reproduce

1. Trigger the SvelteKit CI pipeline.
2. Observe that Playwright downloads the necessary browser binaries (Chromium, Firefox, WebKit, etc.).
3. Receive a host validation warning indicating missing dependencies for running the browsers.

Anything else?

No response